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<?php function pmGetTaxRate($date = false) { if(!$date){ $date = time(); } if(!is_numeric($date)){ $date = strtotime($date); } if($date >= strtotime('2020-07-01') && $date < strtotime('2021-01-01')){ return 16; } return 19; } echo (1 + pmGetTaxRate()/ 100);
based on UMTZ1